What airlines fly to Ontario?

Alaska Airlines, United Airlines and Allegiant Air are the top three most popular airlines that fly to Ontario from Medford according to our data. Alaska Airlines is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Medford to Ontario?

Alaska Airlines, Delta, and United Airlines are the most popular carriers operating from Medford to Ontario

When did momondo last update prices for flights from Medford Airport to Ontario Airport?

Prices for flights from Medford Airport to Ontario Airport are updated daily.

How many operators does momondo search for flights from Medford Airport to Ontario Airport?

The number of operators available for flights from Medford Airport to Ontario Airport is 3 as of February 2026.

How old do you have to be to fly from Medford Airport to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Medford Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$99 Cheap Flights from Medford to Ontario in 2026

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Find the cheapest flights from Medford to Los Angeles

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:44 pm - 10:44 pm

MFR

ONT

5h 00m

1 stop

6:14 am - 1:02 pm

ONT

MFR

6h 48m

1 stop

$197Alaska Airlines

Tue, Mar 10 - Wed, Mar 11

6:00 am - 4:28 pm

MFR

ONT

10h 28m

2 stops

5:45 pm - 10:38 pm

ONT

MFR

4h 53m

1 stop

$202Delta

Wed, Mar 11 - Sat, Mar 14

3:59 pm - 8:23 pm

MFR

ONT

4h 24m

1 stop

7:00 am - 11:54 am

ONT

MFR

4h 54m

1 stop

$214Hawaiian Airlines

Mon, Apr 13 - Wed, Apr 15

3:59 pm - 8:23 pm

MFR

ONT

4h 24m

1 stop

7:00 am - 12:01 pm

ONT

MFR

5h 01m

1 stop

$228Alaska Airlines

Sat, Apr 18 - Sat, Apr 25

6:55 am - 1:54 pm

MFR

ONT

6h 59m

1 stop

5:53 pm - 10:49 pm

ONT

MFR

4h 56m

1 stop

$229Delta

Sat, Mar 7 - Mon, Mar 9

6:00 am - 1:39 pm

MFR

ONT

7h 39m

1 stop

5:55 pm - 11:30 pm

ONT

MFR

5h 35m

1 stop

$230Delta

Sat, Apr 25 - Thu, Apr 30

6:00 am - 4:25 pm

MFR

ONT

10h 25m

2 stops

5:55 pm - 11:30 pm

ONT

MFR

5h 35m

1 stop

$235Delta

Sat, Apr 25 - Thu, Apr 30

6:00 am - 4:28 pm

MFR

ONT

10h 28m

2 stops

6:00 am - 4:35 pm

ONT

MFR

10h 35m

2 stops

$238Delta

Wed, Mar 11 - Sat, Mar 14

6:14 am - 11:12 am

MFR

ONT

4h 58m

1 stop

5:50 pm - 11:50 pm

ONT

MFR

6h 00m

1 stop

$247Delta

Sat, May 9 - Sun, May 24

12:21 pm - 10:45 pm

MFR

ONT

10h 24m

2 stops

5:55 pm - 10:35 pm

ONT

MFR

4h 40m

1 stop

$252Delta

Sat, May 9 - Sun, May 24

Delta flights from Medford to Ontario

Our best Delta deals on Medford to Ontario flight tickets

Delta

Mar 11

MFR6:00 amMedford

10h 28m

2 stops

ONT4:28 pmOntario

Mar 14

ONT5:45 pmOntario

4h 53m

1 stop

MFR10:38 pmMedford

$202

Delta

Mar 7

MFR6:55 amMedford

6h 59m

1 stop

ONT1:54 pmOntario

Mar 9

ONT5:53 pmOntario

4h 56m

1 stop

MFR10:49 pmMedford

$229

Delta

Apr 25

MFR11:14 amMedford

6h 01m

1 stop

ONT5:15 pmOntario

May 1

ONT5:55 pmOntario

5h 35m

1 stop

MFR11:30 pmMedford

$230

Alaska Airlines flights from Medford to Ontario

Our best Alaska Airlines deals on Medford to Ontario flight tickets

Alaska Airlines

Mar 10

MFR5:44 pmMedford

5h 00m

1 stop

ONT10:44 pmOntario

Mar 11

ONT6:14 amOntario

6h 48m

1 stop

MFR1:02 pmMedford

$197

Alaska Airlines

Apr 18

MFR3:59 pmMedford

4h 24m

1 stop

ONT8:23 pmOntario

Apr 25

ONT7:00 amOntario

5h 01m

1 stop

MFR12:01 pmMedford

$228

Alaska Airlines

Mar 11

MFR5:45 amMedford

5h 23m

1 stop

ONT11:08 amOntario

Mar 18

ONT6:00 amOntario

6h 45m

1 stop

MFR12:45 pmMedford

$259

Fly from

Fly to

Route

Depart

Return

Price

MedfordOntario

MFR - ONT

MFRONT

Medford

Tue 3/10

5:44 pm-10:44 pm

1 stop5h 00m

Ontario

Wed 3/11

6:14 am-1:02 pm

1 stop6h 48m

$197

MedfordOntario

MFR - ONT

MFRONT

Medford

Wed 3/11

6:00 am-4:28 pm

2 stops10h 28m

Ontario

Sat 3/14

5:45 pm-10:38 pm

1 stop4h 53m

$202

MedfordOntario

MFR - ONT

MFRONT

Medford

Mon 4/13

3:59 pm-8:23 pm

1 stop4h 24m

Ontario

Wed 4/15

7:00 am-11:54 am

1 stop4h 54m

$214

MedfordOntario

MFR - ONT

MFRONT

Medford

Sat 4/18

3:59 pm-8:23 pm

1 stop4h 24m

Ontario

Sat 4/25

7:00 am-12:01 pm

1 stop5h 01m

$228

MedfordOntario

MFR - ONT

MFRONT

Medford

Sat 3/7

6:55 am-1:54 pm

1 stop6h 59m

Ontario

Mon 3/9

5:53 pm-10:49 pm

1 stop4h 56m

$229

MedfordOntario

MFR - ONT

MFRONT

Medford

Sat 4/25

6:00 am-1:39 pm

1 stop7h 39m

Ontario

Thu 4/30

5:55 pm-11:30 pm

1 stop5h 35m

$230

MedfordOntario

MFR - ONT

MFRONT

Medford

Sat 4/25

6:00 am-4:25 pm

2 stops10h 25m

Ontario

Thu 4/30

5:55 pm-11:30 pm

1 stop5h 35m

$235

MedfordOntario

MFR - ONT

MFRONT

Medford

Wed 3/11

6:00 am-4:28 pm

2 stops10h 28m

Ontario

Sat 3/14

6:00 am-4:35 pm

2 stops10h 35m

$238

MedfordOntario

MFR - ONT

MFRONT

Medford

Sat 5/9

6:14 am-11:12 am

1 stop4h 58m

Ontario

Sun 5/24

5:50 pm-11:50 pm

1 stop6h 00m

$247

MedfordOntario

MFR - ONT

MFRONT

Medford

Sat 5/9

12:21 pm-10:45 pm

2 stops10h 24m

Ontario

Sun 5/24

5:55 pm-10:35 pm

1 stop4h 40m

$252

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Medford to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Ontario?

In general, February is the cheapest month to fly from Medford to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $255. If you aren’t able to travel during the month of February, then book flights to Ontario from Medford during November instead. Flights to Ontario in November, while not as cheap as those in February, still average around $293.

How have Medford to Ontario flight prices changed over time?

When to book flights from Medford to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Medford to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Medford to Ontario (MFR to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Medford to Ontario

Fastest flight time	3h 45m
Direct flights	None

The fastest flight from Medford to Ontario takes 3h 45m

There are no direct flights from Medford to Ontario. There are no popular flight routes from Medford to Ontario.

Search flight deals

How far is Medford to Ontario by plane?
The distance between Medford and Ontario is about 636.8 mi. Typically, this will take 3h 45m by plane in normal conditions.
When did momondo last update prices for flights from Medford Airport to Ontario Airport?
Prices for flights from Medford Airport to Ontario Airport are updated daily.
How many operators does momondo search for flights from Medford Airport to Ontario Airport?
The number of operators available for flights from Medford Airport to Ontario Airport is 3 as of February 2026.
How old do you have to be to fly from Medford Airport to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Medford Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Medford to Ontario?
momondo data reveals that the most frequently booked airline on the route from Medford to Ontario is United Airlines, representing 49% of all bookings. The subsequent popular airlines are Alaska Airlines at 34% and Delta at 17%.

Best airlines flying from Medford to Ontario

Compare and see reviews for airlines that fly from Medford to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $121	Free Cancellation	Rating 7.9 8,132 reviews	Search Delta flights
Alaska Airlines	PriceFrom $225	Free Cancellation	Rating 8.0 11,829 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $238	Free Cancellation	Rating 7.4 9,231 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Medford to Ontario?

It is quick and easy to find Medford to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

Can I find flights from Medford to Ontario with flexible booking policies on momondo?

All flight searches from Medford to Ontario on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Medford to Ontario?

momondo helps you find the best flight between Medford and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Medford to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Medford and alert you when they change.